89C52RC 按键消抖控制数码管程序

按键消抖独立控制数码管，共同学习……

#include <reg52.h>

code unsigned char zixing_table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

code unsigned char wei_table[]={~0x01, ~0x02, ~0x04, ~0x08, ~0x10, ~0x20, ~0x40, ~0x80};

unsigned char disbuf[8]=0;

unsigned char count,counter,flag10msok,flag100msok;

sbit P1_0 = P1^0;//定义按键与引脚的链接

sbit P1_1 = P1^1;

unsigned char postion;

void display(void)//扫描数码管

{

P0 = zixing_table[disbuf[postion]];

P2 = wei_table[postion];

if(++postion>=8)

postion=0;

}

void timer0_isr(void) interrupt 1//中断服务程序

{

flag10msok=1;

}

if(++counter>=50)

{

counter=0;

flag100msok=1;

}

}

unsigned char getkey0(void)//按键程序

{